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Organization and Summary of Significant Accounting Policies (Intangibles and Earnings Per Share Information) (Details) | 12 Months Ended
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Dec. 31, 2018 USD ($)
Indefinite-lived Intangible Assets [Member] |
Intangible Assets |
Intangible assets with indefinite useful lives | $ 0
Customer Relationships [Member] |
Intangible Assets |
Useful life | 5 years

X
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- Definition Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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